/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #f97316;
            --accent-hover: #ea580c;
            --accent-soft: #fff7ed;
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --border: #e2e8f0;
            --text: #0f172a;
            --text-muted: #64748b;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            color: var(--text);
            line-height: 1.6;
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 64px 0;
            }
        }
        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 640px;
            margin-bottom: 0;
        }
        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: baseline;
            gap: 4px;
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .logo .logo-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            margin-left: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: all 0.25s ease;
        }
        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border-radius: 999px;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }
        .btn-primary:focus-visible,
        .main-nav a:focus-visible {
            outline: 2px solid #ffffff;
            outline-offset: 2px;
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border-radius: 999px;
            transition: all 0.25s ease;
            background: transparent;
        }
        .btn-outline-white:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1.5px solid var(--border);
            color: var(--text);
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border-radius: 999px;
            transition: all 0.25s ease;
            background: var(--bg);
        }
        .btn-outline-dark:hover {
            border-color: var(--primary);
            background: var(--bg-alt);
            transform: translateY(-2px);
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: #ffffff;
            font-size: 20px;
            background: rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 920px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 16px;
                color: rgba(255, 255, 255, 0.85);
                border-radius: 8px;
            }
            .mobile-toggle {
                display: inline-flex;
            }
        }
        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.68) 50%, rgba(15, 23, 42, 0.35) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: 80px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #ffffff;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero-title {
            font-size: clamp(40px, 6vw, 64px);
            font-weight: 800;
            line-height: 1.1;
            color: #ffffff;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }
        .hero-meta-item i {
            color: var(--accent);
            font-size: 16px;
        }
        /* ===== Stats ===== */
        .stats-section {
            background: var(--bg);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stats-item {
            text-align: center;
            padding: 32px 20px;
        }
        .stats-item .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stats-item .num span {
            color: var(--accent);
        }
        .stats-item .label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-item .num {
                font-size: 32px;
            }
        }
        /* ===== Services ===== */
        .services-section {
            background: var(--bg-alt);
        }
        .service-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .service-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.05);
        }
        .service-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.3), transparent);
        }
        .service-card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-body .service-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .service-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .service-card-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
        }
        .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 20px;
            transition: color 0.2s ease, gap 0.2s ease;
        }
        .service-card-link:hover {
            color: var(--accent);
            gap: 10px;
        }
        /* ===== News ===== */
        .news-section {
            background: var(--bg);
        }
        .news-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #ddd0b8;
        }
        .news-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .news-time {
            font-size: 13px;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            color: var(--text-muted);
            font-size: 15px;
        }
        /* ===== Featured ===== */
        .featured-section {
            background: var(--bg-alt);
        }
        .featured-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .featured-card-img {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.05);
        }
        .featured-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .featured-body {
            padding: 24px;
        }
        .featured-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .featured-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .featured-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: #94a3b8;
        }
        /* ===== Features ===== */
        .features-section {
            background: var(--bg);
        }
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .features-img-wrap {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .features-img-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .features-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.25), transparent 40%);
        }
        .features-list {
            list-style: none;
            margin-top: 24px;
        }
        .features-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }
        .features-list li:last-child {
            border-bottom: none;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 12px;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .feature-text h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .feature-text p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .features-img-wrap img {
                height: 300px;
            }
        }
        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-alt);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }
        .faq-item.active {
            box-shadow: var(--shadow-md);
            border-color: #f5cba0;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            text-align: left;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: rgba(249, 115, 22, 0.03);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 0;
        }
        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: var(--primary);
            padding: 88px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.25) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(28px, 4vw, 40px);
            color: #ffffff;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1;
            padding: 14px 22px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 15px;
            outline: none;
            transition: all 0.25s ease;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.2);
        }
        @media (max-width: 520px) {
            .cta-form {
                flex-direction: column;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #0b1222;
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        .footer-about {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 300px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease, padding-left 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: all 0.25s ease;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #ffffff;
            transform: translateY(-3px);
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== Section Header ===== */
        .section-heading {
            margin-bottom: 48px;
        }
        .section-heading.center {
            text-align: center;
        }
        .section-heading.center .section-subtitle {
            margin: 0 auto;
        }
        /* ===== Responsive Helpers ===== */
        @media (max-width: 1024px) {
            .service-card-img {
                height: 180px;
            }
            .featured-card-img {
                height: 190px;
            }
        }
        @media (max-width: 640px) {
            .hero {
                min-height: 520px;
            }
            .hero-content {
                padding: 60px 0;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline-white {
                width: 100%;
            }
            .hero-meta {
                gap: 14px;
            }
        }
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
:root {
            --primary: #1e3a5f;
            --primary-dark: #152c47;
            --accent: #f97316;
            --accent-hover: #ea580c;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-soft: #e2e8f0;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
            --shadow-hover: 0 4px 12px rgba(0,0,0,0.1), 0 12px 32px rgba(0,0,0,0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: baseline;
            gap: 0.15rem;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo .logo-accent {
            color: var(--accent);
        }

        .logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            margin-left: 0.4rem;
            display: none;
        }

        @media (min-width: 640px) {
            .logo .logo-sub {
                display: inline-block;
            }
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 0.35rem;
        }

        .main-nav a {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--accent);
            background: rgba(249, 115, 22, 0.08);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 2px 8px rgba(30, 58, 95, 0.25);
        }

        @media (min-width: 768px) {
            .main-nav {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            color: var(--primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(30, 58, 95, 0.06);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-soft);
            padding: 0.75rem 1.25rem 1.25rem;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 10px;
            font-weight: 500;
            color: #334155;
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(249, 115, 22, 0.08);
            color: var(--accent);
        }

        .mobile-menu a.active {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            padding: 1.25rem 0;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .sep {
            color: #cbd5e1;
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }

        /* ===== Article Layout ===== */
        .article-shell {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            padding: 2rem 0 4rem;
        }

        @media (min-width: 992px) {
            .article-shell {
                grid-template-columns: minmax(0, 720px) 1fr;
                gap: 3rem;
            }
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            padding: 2rem 1.75rem;
        }

        @media (min-width: 768px) {
            .article-card {
                padding: 3rem 2.75rem;
            }
        }

        .article-header {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-soft);
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .article-title {
            font-size: 1.75rem;
            line-height: 1.3;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .article-title {
                font-size: 2.25rem;
            }
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.25rem;
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        .article-cover {
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-sm);
        }

        .article-cover img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .article-content {
            font-size: 1rem;
            line-height: 1.9;
            color: #334155;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-left: 0.75rem;
            border-left: 4px solid var(--accent);
            border-radius: 2px;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.5rem 0 0.75rem;
        }

        .article-content p {
            margin-bottom: 1.25rem;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5rem 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--accent-hover);
        }

        .article-content blockquote {
            background: #f1f5f9;
            border-left: 4px solid var(--accent);
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: #475569;
            font-style: italic;
        }

        .article-content img {
            border-radius: 12px;
            margin: 1.5rem 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-soft);
        }

        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: #f1f5f9;
            color: #475569;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            transition: var(--transition);
        }

        .article-tags .tag:hover {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.75rem;
        }

        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 1.75rem 1.5rem;
        }

        .widget-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.25rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--border-soft);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .widget-title i {
            color: var(--accent);
        }

        .related-posts {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .related-post {
            display: flex;
            gap: 0.85rem;
            padding: 0.75rem;
            border-radius: 12px;
            background: #f8fafc;
            transition: var(--transition);
        }

        .related-post:hover {
            background: rgba(249, 115, 22, 0.06);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .related-post img {
            width: 68px;
            height: 52px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .related-post .rp-info {
            flex: 1;
            min-width: 0;
        }

        .related-post .rp-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-post .rp-title:hover {
            color: var(--accent);
        }

        .related-post .rp-cat {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
            margin-top: 0.25rem;
        }

        .widget-cats {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .widget-cats a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 0.9rem;
            border-radius: 10px;
            background: #f8fafc;
            font-size: 0.9rem;
            font-weight: 500;
            color: #334155;
            transition: var(--transition);
        }

        .widget-cats a:hover {
            background: rgba(249, 115, 22, 0.08);
            color: var(--accent);
            transform: translateX(4px);
        }

        .widget-cats a i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .widget-cta {
            background: linear-gradient(135deg, var(--primary) 0%, #2d4a77 60%, #3b5998 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .widget-cta::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .widget-cta-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            position: relative;
        }

        .widget-cta-text {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.25rem;
            position: relative;
        }

        .widget-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #fff;
            padding: 0.6rem 1.5rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            position: relative;
            transition: var(--transition);
        }

        .widget-cta-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 4rem 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
            max-width: 960px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border-soft);
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(249, 115, 22, 0.3);
        }

        .faq-question {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 1rem;
            cursor: pointer;
        }

        .faq-question .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 6px;
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
            font-size: 0.8rem;
            flex-shrink: 0;
            margin-top: 0.15rem;
        }

        .faq-answer {
            margin-top: 0.75rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.75;
            display: none;
        }

        .faq-item.detail-open .faq-answer {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 60%, #2d4a77 100%);
            padding: 4rem 0;
            border-radius: 24px;
            margin: 0 1.5rem 4rem;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
        }

        .cta-inner {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 1.5rem;
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-text {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 999px;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.4);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 999px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 4rem 0 0;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
                gap: 3rem;
            }
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-about {
            font-size: 0.875rem;
            line-height: 1.8;
            color: #94a3b8;
            margin-bottom: 1.25rem;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e1;
            font-size: 1rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.6rem;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.875rem;
            color: #94a3b8;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links i {
            font-size: 0.7rem;
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            padding: 1.5rem 0;
            font-size: 0.8rem;
            color: #64748b;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        /* ===== Shared Section Heading ===== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.3rem 1rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.05em;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
        }

        .section-sub {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 640px;
        }

        /* ===== Error State ===== */
        .not-found-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 4rem 2rem;
            text-align: center;
        }

        .not-found-icon {
            font-size: 3rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
        }

        .not-found-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }

        .not-found-text {
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .back-home-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(30, 58, 95, 0.3);
        }

        /* ===== Prev Next Nav ===== */
        .post-navigation {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-soft);
        }

        @media (min-width: 640px) {
            .post-navigation {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        .post-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 600;
            padding: 0.6rem 1.2rem;
            border-radius: 10px;
            background: #f1f5f9;
            transition: var(--transition);
        }

        .post-nav-link:hover {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
        }

/* roulang page: category1 */
:root {
        --primary: #f97316;
        --primary-dark: #c2410c;
        --primary-soft: #ffedd5;
        --ink: #0f172a;
        --ink-soft: #334155;
        --muted: #64748b;
        --bg: #f8fafc;
        --line: #e2e8f0;
        --radius: 16px;
        --radius-lg: 24px;
        --shadow-sm: 0 2px 10px rgba(15, 23, 42, .05);
        --shadow-md: 0 12px 32px rgba(15, 23, 42, .08);
        --shadow-lg: 0 24px 60px rgba(15, 23, 42, .12);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
        margin: 0;
        font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        color: var(--ink);
        background: #ffffff;
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
    }
    img { display: block; max-width: 100%; }
    a { text-decoration: none; color: inherit; }
    button, input, summary { font-family: inherit; }
    a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
        border-radius: 6px;
    }

    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ========== 头部导航 ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--line);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 16px;
    }
    .brand {
        font-size: 1.35rem;
        font-weight: 800;
        letter-spacing: .4px;
        color: var(--ink);
        display: inline-flex;
        align-items: center;
        gap: 2px;
        white-space: nowrap;
    }
    .brand-dot { color: var(--primary); }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .main-nav a {
        padding: 9px 18px;
        border-radius: 999px;
        font-weight: 600;
        font-size: .93rem;
        color: var(--ink-soft);
        transition: color .2s, background .2s, box-shadow .2s;
    }
    .main-nav a:hover { color: var(--primary); background: var(--primary-soft); }
    .main-nav a.active {
        color: #fff;
        background: var(--primary);
        box-shadow: 0 6px 18px rgba(249, 115, 22, .35);
    }
    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: #fff;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        transition: border-color .2s;
    }
    .nav-toggle:hover { border-color: var(--primary); }
    .nav-toggle span {
        width: 18px;
        height: 2px;
        background: var(--ink);
        border-radius: 2px;
        transition: transform .25s, opacity .25s;
    }
    .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ========== 页首横幅 ========== */
    .page-hero {
        position: relative;
        padding: 96px 0 84px;
        color: #fff;
        background:
            linear-gradient(115deg, rgba(2, 6, 23, .88) 0%, rgba(15, 23, 42, .72) 45%, rgba(249, 115, 22, .30) 100%),
            url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: .85rem;
        color: #cbd5e1;
        margin-bottom: 22px;
    }
    .breadcrumb a { color: #e2e8f0; transition: color .2s; }
    .breadcrumb a:hover { color: #fdba74; }
    .breadcrumb i { font-size: .7rem; color: #94a3b8; }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .12);
        border: 1px solid rgba(255, 255, 255, .22);
        color: #fff;
        padding: 8px 16px;
        border-radius: 999px;
        font-size: .82rem;
        margin-bottom: 20px;
    }
    .hero-badge i { color: #fdba74; }
    .page-hero h1 {
        font-size: clamp(1.9rem, 4.5vw, 2.9rem);
        font-weight: 800;
        line-height: 1.2;
        margin: 0 0 18px;
        letter-spacing: .5px;
    }
    .hero-desc {
        max-width: 720px;
        color: #cbd5e1;
        font-size: 1.05rem;
        line-height: 1.8;
        margin: 0;
    }
    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        margin-top: 42px;
    }
    .stat-item strong {
        display: block;
        font-size: 1.75rem;
        font-weight: 800;
        color: #fdba74;
        line-height: 1.2;
    }
    .stat-item span {
        font-size: .88rem;
        color: #cbd5e1;
    }

    /* ========== 通用板块 ========== */
    .section { padding: 88px 0; }
    .section-gray { background: var(--bg); }
    .section-white { background: #fff; }
    .section-head {
        max-width: 760px;
        margin: 0 auto 50px;
        text-align: center;
    }
    .section-head-left { text-align: left; margin: 0 0 26px; }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: .8rem;
        font-weight: 700;
        color: var(--primary-dark);
        background: var(--primary-soft);
        padding: 6px 14px;
        border-radius: 999px;
        letter-spacing: .5px;
    }
    .section-label i { font-size: .75rem; }
    .section-title {
        font-size: clamp(1.7rem, 3vw, 2.35rem);
        font-weight: 800;
        line-height: 1.25;
        margin: 14px 0 12px;
        letter-spacing: .3px;
    }
    .section-sub { color: var(--muted); font-size: 1.02rem; margin: 0; }
    .section-more { text-align: center; margin-top: 42px; }

    /* ========== 按钮 ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-weight: 700;
        border-radius: 999px;
        padding: 13px 28px;
        font-size: .96rem;
        border: 1.5px solid transparent;
        cursor: pointer;
        transition: all .22s ease;
    }
    .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(249, 115, 22, .25); }
    .btn-primary:hover { background: #ea580c; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(249, 115, 22, .35); }
    .btn-outline { background: #fff; color: var(--ink-soft); border-color: var(--line); }
    .btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
    .btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; transform: translateY(-2px); }
    .btn-light { background: #fff; color: var(--ink); }
    .btn-light:hover { background: var(--primary-soft); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .btn-lg { padding: 16px 36px; font-size: 1.02rem; }

    /* ========== 频道服务卡片 ========== */
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .service-card {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 30px 26px;
        transition: transform .25s, box-shadow .25s, border-color .25s;
        position: relative;
        overflow: hidden;
    }
    .service-card::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), #fdba74);
        opacity: 0;
        transition: opacity .25s;
    }
    .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #fed7aa; }
    .service-card:hover::before { opacity: 1; }
    .service-icon {
        width: 54px;
        height: 54px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--primary-soft);
        color: var(--primary-dark);
        font-size: 1.35rem;
        margin-bottom: 18px;
    }
    .service-card h3 { font-size: 1.12rem; font-weight: 700; margin: 0 0 10px; }
    .service-card p { color: var(--muted); font-size: .92rem; line-height: 1.7; margin: 0 0 16px; }
    .service-link { font-size: .88rem; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
    .service-link i { transition: transform .2s; }
    .service-link:hover i { transform: translateX(4px); }

    /* ========== 资讯卡片 ========== */
    .news-card {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        transition: transform .3s, box-shadow .3s;
    }
    .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
    .news-thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
    .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
    .news-card:hover .news-thumb img { transform: scale(1.06); }
    .news-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(15, 23, 42, .78);
        color: #fff;
        font-size: .74rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        backdrop-filter: blur(4px);
    }
    .news-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .news-body h3 { font-size: 1.08rem; font-weight: 700; line-height: 1.5; margin: 0; transition: color .2s; }
    .news-card:hover .news-body h3 { color: var(--primary); }
    .news-excerpt { color: var(--muted); font-size: .92rem; line-height: 1.7; flex: 1; margin: 0; }
    .news-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        color: #94a3b8;
        font-size: .82rem;
        border-top: 1px dashed var(--line);
        padding-top: 14px;
    }
    .news-meta i { margin-right: 5px; font-size: .78rem; }

    /* ========== 焦点赛事 ========== */
    .feature-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 28px; }
    .feature-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        min-height: 480px;
        display: flex;
        align-items: flex-end;
    }
    .feature-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .feature-card::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(2, 6, 23, .92) 0%, rgba(2, 6, 23, .15) 62%);
    }
    .feature-overlay { position: relative; z-index: 2; padding: 36px; color: #fff; }
    .feature-overlay .tag-badge {
        display: inline-block;
        background: rgba(249, 115, 22, .9);
        color: #fff;
        font-size: .78rem;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: 999px;
        margin-bottom: 14px;
    }
    .feature-overlay h3 { font-size: 1.55rem; font-weight: 800; line-height: 1.4; margin: 0 0 12px; }
    .feature-overlay p { color: #cbd5e1; font-size: .96rem; line-height: 1.75; margin: 0 0 20px; max-width: 520px; }
    .hot-list { display: flex; flex-direction: column; }
    .hot-item {
        display: flex;
        gap: 18px;
        padding: 20px 6px;
        border-bottom: 1px dashed var(--line);
        transition: background .2s, padding-left .2s;
    }
    .hot-item:last-child { border-bottom: 0; }
    .hot-item:hover { background: var(--primary-soft); padding-left: 12px; border-radius: 14px; }
    .hot-index { font-size: 1.5rem; font-weight: 800; color: #fdba74; line-height: 1; min-width: 34px; }
    .hot-item h4 { font-size: 1rem; font-weight: 700; line-height: 1.5; margin: 0 0 6px; }
    .hot-item .hot-meta { font-size: .8rem; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }
    .hot-item .hot-meta .b { color: var(--primary-dark); font-weight: 600; }

    /* ========== 速递榜单 / 订阅 ========== */
    .digest-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; align-items: start; }
    .digest-main {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 8px 28px 12px;
    }
    .rank-list { list-style: none; margin: 0; padding: 0; }
    .rank-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 18px 0;
        border-bottom: 1px dashed var(--line);
    }
    .rank-item:last-child { border-bottom: 0; }
    .rank-num { font-size: 1.5rem; font-weight: 800; color: var(--primary); min-width: 46px; }
    .rank-content { flex: 1; min-width: 0; }
    .rank-content h4 { font-size: 1rem; font-weight: 700; margin: 0 0 6px; line-height: 1.5; transition: color .2s; }
    .rank-item:hover .rank-content h4 { color: var(--primary); }
    .rank-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: .8rem; color: var(--muted); }
    .rank-meta .b { color: var(--primary-dark); font-weight: 600; }

    .subscribe-card {
        background: linear-gradient(160deg, #0f172a, #1e293b);
        color: #fff;
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        position: sticky;
        top: 100px;
        box-shadow: var(--shadow-lg);
    }
    .subscribe-card h3 { font-size: 1.35rem; font-weight: 800; margin: 0 0 12px; }
    .subscribe-card p { color: #94a3b8; font-size: .92rem; line-height: 1.75; margin: 0 0 24px; }
    .subscribe-card .form-tip { color: #94a3b8; font-size: .78rem; margin-top: 14px; line-height: 1.6; display: block; }
    .subscribe-card input {
        width: 100%;
        height: 50px;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, .18);
        background: rgba(255, 255, 255, .08);
        color: #fff;
        padding: 0 20px;
        font-size: .92rem;
        margin-bottom: 12px;
        transition: border-color .2s, background .2s;
    }
    .subscribe-card input::placeholder { color: #94a3b8; }
    .subscribe-card input:focus { outline: none; border-color: var(--primary); background: rgba(255, 255, 255, .12); }
    .subscribe-card .btn { width: 100%; }

    /* ========== CTA 横幅 ========== */
    .cta-banner {
        position: relative;
        padding: 92px 0;
        color: #fff;
        background:
            linear-gradient(120deg, rgba(2, 6, 23, .95) 0%, rgba(15, 23, 42, .82) 55%, rgba(249, 115, 22, .35) 100%),
            url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
    }
    .cta-inner { max-width: 760px; text-align: center; margin: 0 auto; }
    .cta-inner h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; margin: 0 0 16px; line-height: 1.3; }
    .cta-inner p { color: #cbd5e1; font-size: 1.05rem; line-height: 1.8; margin: 0 0 34px; }
    .cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

    /* ========== FAQ ========== */
    .faq-wrap { max-width: 860px; margin: 0 auto; }
    .faq-item {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 16px;
        margin-bottom: 14px;
        overflow: hidden;
        transition: border-color .2s, box-shadow .2s;
    }
    .faq-item:hover { border-color: #fed7aa; box-shadow: var(--shadow-sm); }
    .faq-item summary {
        list-style: none;
        cursor: pointer;
        padding: 20px 24px;
        font-weight: 700;
        font-size: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: var(--primary);
        font-size: .8rem;
        flex-shrink: 0;
        transition: transform .25s;
    }
    .faq-item[open] summary::after { transform: rotate(180deg); }
    .faq-item[open] { border-color: #fed7aa; }
    .faq-answer { padding: 0 24px 22px; color: var(--muted); font-size: .94rem; line-height: 1.8; }

    /* ========== 页脚 ========== */
    .site-footer {
        background: #0b1120;
        color: #94a3b8;
        padding: 64px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 44px;
        border-bottom: 1px solid rgba(148, 163, 184, .12);
    }
    .footer-brand {
        font-size: 1.4rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: .4px;
    }
    .footer-about {
        font-size: .9rem;
        line-height: 1.75;
        max-width: 380px;
        margin: 0;
    }
    .footer-social { display: flex; gap: 12px; margin-top: 18px; }
    .footer-social a {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .1);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #cbd5e1;
        transition: all .2s;
    }
    .footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); }
    .footer-title { color: #fff; font-weight: 700; margin-bottom: 16px; font-size: 1rem; }
    .footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
    .footer-links a { color: #94a3b8; font-size: .9rem; transition: color .2s; display: inline-flex; align-items: center; }
    .footer-links a:hover { color: var(--primary); }
    .footer-links i { color: var(--primary); font-size: .7rem; margin-right: 6px; }
    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        padding: 22px 0;
        font-size: .84rem;
        color: #64748b;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(2, 1fr); }
        .feature-grid { grid-template-columns: 1fr; }
        .feature-card { min-height: 420px; }
        .digest-grid { grid-template-columns: 1fr; }
        .subscribe-card { position: static; }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 900px) {
        .nav-toggle { display: inline-flex; }
        .main-nav {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: stretch;
            padding: 16px 20px 20px;
            gap: 8px;
            border-bottom: 1px solid var(--line);
            box-shadow: 0 24px 50px rgba(15, 23, 42, .10);
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: all .25s ease;
        }
        .main-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .main-nav a { padding: 12px 18px; font-size: 1rem; border-radius: 14px; }
    }
    @media (max-width: 640px) {
        .section { padding: 64px 0; }
        .page-hero { padding: 64px 0 56px; }
        .hero-stats { gap: 28px; }
        .stat-item strong { font-size: 1.45rem; }
        .grid-3, .grid-4 { grid-template-columns: 1fr; }
        .feature-card { min-height: 360px; }
        .feature-overlay { padding: 24px; }
        .feature-overlay h3 { font-size: 1.2rem; }
        .feature-overlay p { font-size: .88rem; }
        .hot-item { gap: 14px; }
        .hot-index { font-size: 1.25rem; min-width: 28px; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .rank-item { gap: 14px; }
        .rank-num { font-size: 1.25rem; min-width: 38px; }
        .cta-actions .btn { width: 100%; }
        .subscribe-card { padding: 28px 22px; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 18px; }
        .header-inner { height: 64px; }
        .main-nav { top: 64px; }
        .brand { font-size: 1.2rem; }
        .page-hero h1 { font-size: 1.65rem; }
        .hero-desc { font-size: .95rem; }
        .section-title { font-size: 1.5rem; }
    }

/* roulang page: category2 */
:root {
            --color-primary: #0f172a;
            --color-primary-light: #1e293b;
            --color-accent: #f97316;
            --color-accent-dark: #ea580c;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-muted: #64748b;
            --color-border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(15, 23, 42, .08);
            --section-gap: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        button,
        input {
            font: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(15, 23, 42, .95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: .5px;
            display: inline-flex;
            align-items: center;
            gap: 2px;
        }

        .logo-accent {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, .85);
            line-height: 1.4;
            transition: background .25s ease, color .25s ease, box-shadow .25s ease;
        }

        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, .1);
        }

        .main-nav a.active {
            color: #ffffff;
            background: var(--color-accent);
            box-shadow: 0 8px 24px rgba(249, 115, 22, .35);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, .25);
            background: transparent;
            color: #ffffff;
            border-radius: 10px;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: border-color .25s, background .25s;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .4);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            color: #ffffff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, .92), rgba(15, 23, 42, .66) 46%, rgba(249, 115, 22, .28));
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #ffffff;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            backdrop-filter: blur(8px);
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4.2vw, 3.4rem);
            font-weight: 800;
            line-height: 1.18;
            margin: 0 0 20px;
            letter-spacing: -1px;
        }

        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 660px;
            margin: 0 0 30px;
            line-height: 1.8;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 999px;
            padding: 13px 26px;
            font-size: 15px;
            border: none;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 10px 24px rgba(249, 115, 22, .32);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(249, 115, 22, .4);
        }

        .btn-ghost {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, .45);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* ===== Sections ===== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            color: var(--color-accent);
            background: rgba(249, 115, 22, .1);
            border: 1px solid rgba(249, 115, 22, .22);
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.45rem);
            font-weight: 800;
            margin: 0 0 14px;
            color: var(--color-primary);
            letter-spacing: -.5px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Intro / Stats ===== */
        .feature-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 30px 26px;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(15, 23, 42, .1);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: rgba(249, 115, 22, .12);
            color: var(--color-accent);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            margin: 0;
        }

        .stat-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .stat-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }

        .stat-label {
            margin-top: 10px;
            color: var(--color-muted);
            font-size: 15px;
            font-weight: 500;
        }

        /* ===== Wiki Cards ===== */
        .wiki-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .wiki-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 22px 44px rgba(15, 23, 42, .12);
        }

        .wiki-card .card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e2e8f0;
        }

        .wiki-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .wiki-card:hover .card-img img {
            transform: scale(1.05);
        }

        .wiki-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
            box-shadow: 0 4px 12px rgba(15, 23, 42, .1);
        }

        .wiki-card .card-body {
            padding: 24px;
        }

        .wiki-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
        }

        .wiki-card .card-body p {
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.7;
            margin: 0 0 18px;
        }

        .card-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease;
        }

        .card-link:hover {
            gap: 10px;
        }

        /* ===== Deep Content List ===== */
        .content-list {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 12px 24px;
            box-shadow: var(--shadow);
        }

        .content-item {
            display: flex;
            gap: 18px;
            padding: 22px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: flex-start;
            transition: background .2s ease;
        }

        .content-item:last-child {
            border-bottom: none;
        }

        .content-item:hover {
            background: rgba(249, 115, 22, .04);
        }

        .item-index {
            font-size: 15px;
            font-weight: 800;
            color: var(--color-accent);
            background: rgba(249, 115, 22, .12);
            border-radius: 12px;
            min-width: 44px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .content-item .item-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .content-item .item-body p {
            color: var(--color-muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
        }

        .content-meta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            margin-top: 10px;
        }

        .content-meta i {
            color: var(--color-accent);
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-step {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 28px 24px;
            position: relative;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .process-step:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(15, 23, 42, .1);
        }

        .process-step .step-num {
            display: inline-block;
            font-size: 14px;
            font-weight: 800;
            color: var(--color-accent);
            background: rgba(249, 115, 22, .12);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 4px 14px rgba(15, 23, 42, .04);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-primary);
            transition: color .2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 400;
            color: var(--color-accent);
            transition: transform .25s ease;
            line-height: 1;
        }

        .faq-item[open] summary::after {
            content: "−";
        }

        .faq-item p {
            padding: 0 24px 22px;
            margin: 0;
            color: var(--color-muted);
            line-height: 1.8;
            font-size: 15px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(120deg, var(--color-primary), #1e293b);
            border-radius: 28px;
            padding: 60px;
            position: relative;
            overflow: hidden;
        }

        .cta-block::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            background: rgba(249, 115, 22, .2);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-block h2 {
            color: #ffffff;
            font-size: clamp(1.6rem, 2.6vw, 2.1rem);
            font-weight: 800;
            margin: 0 0 14px;
        }

        .cta-block p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            max-width: 560px;
            margin: 0 0 28px;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            max-width: 560px;
        }

        .cta-actions input {
            flex: 1;
            height: 50px;
            border-radius: 999px;
            border: none;
            padding: 0 22px;
            font-size: 15px;
            outline: none;
            background: rgba(255, 255, 255, .96);
            transition: box-shadow .25s ease;
        }

        .cta-actions input:focus {
            box-shadow: 0 0 0 4px rgba(249, 115, 22, .35);
        }

        .cta-actions button {
            height: 50px;
            padding: 0 30px;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
        }

        .cta-actions button:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(249, 115, 22, .35);
        }

        .cta-note {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .footer-brand span {
            color: var(--color-accent);
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.8;
            max-width: 420px;
            margin-bottom: 20px;
            color: #94a3b8;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #cbd5e1;
            transition: background .25s ease, border-color .25s ease, color .25s ease;
        }

        .footer-social a:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #ffffff;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #94a3b8;
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-links a i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #64748b;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section {
                --section-gap: 72px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #0f172a;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 12px;
                border-top: 1px solid rgba(255, 255, 255, .08);
                box-shadow: 0 24px 40px rgba(0, 0, 0, .3);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                border-radius: 12px;
                padding: 12px 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .cta-block {
                padding: 44px 28px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions button {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .section {
                --section-gap: 56px;
            }

            .page-hero .container {
                padding-top: 64px;
                padding-bottom: 64px;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .content-item {
                flex-direction: column;
                gap: 12px;
            }

            .item-index {
                align-self: flex-start;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .logo {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #eef2ff;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #1e293b;
            --text-mute: #64748b;
            --border: #e2e8f0;
            --radius-lg: 1rem;
            --radius-md: .75rem;
            --radius-sm: .5rem;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, .12);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(79, 70, 229, .4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== Navigation ===== */
        .site-header {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow .3s;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .nav-shell {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: .65rem;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -.2px;
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), #7c3aed);
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: .4rem;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            padding: .5rem .9rem;
            border-radius: 999px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text-mute);
            transition: all .25s;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: var(--accent);
            color: #fff !important;
            padding: .5rem 1.2rem !important;
            border-radius: 999px !important;
            font-weight: 600 !important;
            transition: all .25s !important;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 1rem 1.25rem;
                flex-direction: column;
                align-items: flex-start;
                gap: .3rem;
                box-shadow: var(--shadow-md);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                border-radius: 10px;
                padding: .7rem 1rem;
            }
            .main-nav a.active {
                background: var(--primary-light);
            }
        }

        /* ===== Hero ===== */
        .guide-hero {
            position: relative;
            background: linear-gradient(115deg, rgba(15, 23, 42, .82), rgba(79, 70, 229, .68)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 6rem 0 5rem;
        }

        .guide-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4rem;
            background: linear-gradient(to top, var(--bg-body), transparent);
        }

        .guide-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: .35rem 1rem;
            border-radius: 999px;
            font-size: .9rem;
            backdrop-filter: blur(6px);
            margin-bottom: 1.25rem;
        }

        .hero-eyebrow i {
            color: #fcd34d;
        }

        .guide-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 1.25rem;
            letter-spacing: -.5px;
        }

        .guide-hero p.lead {
            font-size: clamp(1rem, 2vw, 1.125rem);
            max-width: 720px;
            opacity: .92;
            margin: 0 0 2rem;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .hero-stat {
            display: inline-flex;
            align-items: center;
            gap: .75rem;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .15);
            backdrop-filter: blur(8px);
            padding: .75rem 1.25rem;
            border-radius: 14px;
        }

        .hero-stat strong {
            font-size: 1.25rem;
            font-weight: 700;
        }

        /* ===== Section ===== */
        .section {
            padding: 5rem 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 3rem;
        }

        .section-head.center {
            margin-inline: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            color: var(--accent);
            background: rgba(249, 115, 22, .12);
            padding: .3rem 1rem;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            margin-bottom: .75rem;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            margin: 0 0 1rem;
            letter-spacing: -.4px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mute);
            margin: 0;
        }

        /* ===== Channel Cards ===== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .channel-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform .3s, box-shadow .3s;
            display: flex;
            flex-direction: column;
        }

        .channel-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .channel-card .cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .channel-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }

        .channel-card:hover .cover img {
            transform: scale(1.05);
        }

        .channel-card .cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, .35), transparent);
        }

        .channel-card .card-body {
            padding: 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .channel-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 .6rem;
        }

        .channel-card .card-body p {
            color: var(--text-mute);
            font-size: .95rem;
            margin: 0 0 1.25rem;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            color: var(--primary);
            font-weight: 600;
            font-size: .95rem;
            transition: gap .3s;
        }

        .card-link:hover {
            gap: .7rem;
            color: var(--primary-dark);
        }

        /* ===== Checklist ===== */
        .checklist-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .checklist-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.6rem;
        }

        .check-item {
            position: relative;
            padding: 1.8rem 1.5rem;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: box-shadow .3s, transform .3s;
        }

        .check-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .check-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1.1rem;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .check-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 .5rem;
        }

        .check-item p {
            color: var(--text-mute);
            font-size: .92rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Guide Cards ===== */
        .guide-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .guide-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform .3s, box-shadow .3s;
        }

        .guide-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .guide-card .thumb {
            height: 140px;
            overflow: hidden;
        }

        .guide-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .guide-card .content {
            padding: 1.4rem;
        }

        .guide-card .badge-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: .75rem;
            font-weight: 600;
            padding: .2rem .7rem;
            border-radius: 999px;
            margin-bottom: .6rem;
        }

        .guide-card .content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 .4rem;
            line-height: 1.4;
        }

        .guide-card .content p {
            font-size: .88rem;
            color: var(--text-mute);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== Stat Band ===== */
        .stat-band {
            background: linear-gradient(120deg, #0f172a 0%, #1e1b4b 60%, #4c1d95 100%);
            color: #fff;
            padding: 4.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .stat-band::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -5%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(249, 115, 22, .3), transparent 70%);
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .stat-item strong {
            font-size: 2.4rem;
            font-weight: 800;
            display: block;
            line-height: 1.3;
            background: linear-gradient(135deg, #fbbf24, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-item span {
            font-size: .95rem;
            color: rgba(255, 255, 255, .8);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: box-shadow .3s;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-q {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 1.2rem 1.4rem;
            font-size: 1.02rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: var(--text-main);
            transition: background .3s;
        }

        .faq-q:hover {
            background: var(--bg-soft);
        }

        .faq-q i {
            transition: transform .3s;
            color: var(--accent);
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        .faq-a {
            padding: 0 1.4rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
        }

        .faq-item.open .faq-a {
            padding-bottom: 1.2rem;
            max-height: 500px;
        }

        .faq-a p {
            margin: 0;
            color: var(--text-mute);
            font-size: .95rem;
            border-top: 1px dashed var(--border);
            padding-top: .9rem;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            border-radius: 1.5rem;
            padding: 3.5rem 3rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, .12), transparent 60%);
        }

        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            margin: 0 0 .75rem;
            position: relative;
        }

        .cta-box p {
            opacity: .92;
            max-width: 560px;
            margin: 0 auto 1.8rem;
            position: relative;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: #fff;
            color: var(--primary) !important;
            font-weight: 700;
            padding: .8rem 1.8rem;
            border-radius: 999px;
            transition: transform .3s, box-shadow .3s;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, .8);
            padding: 4rem 0 0;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: .8rem;
        }

        .footer-about {
            font-size: .95rem;
            line-height: 1.8;
            margin-bottom: 1.4rem;
        }

        .footer-social {
            display: flex;
            gap: .7rem;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            color: #fff;
            transition: background .3s, transform .3s;
        }

        .footer-social a:hover {
            background: var(--accent);
            transform: translateY(-3px);
            border-color: var(--accent);
        }

        .footer-title {
            color: #fff;
            font-weight: 600;
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: .6rem;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            color: rgba(255, 255, 255, .75);
            font-size: .95rem;
            transition: color .3s, transform .3s;
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-links a i {
            font-size: .7rem;
            color: var(--accent);
        }

        .footer-bottom {
            padding: 1.6rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: .6rem;
            color: rgba(255, 255, 255, .5);
            font-size: .88rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .checklist-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 3.5rem 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-meta {
                flex-direction: column;
            }
            .hero-stat {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .channel-grid {
                grid-template-columns: 1fr;
            }
            .checklist-grid {
                grid-template-columns: 1fr;
            }
            .guide-cards {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 2.5rem 1.4rem;
                border-radius: 1.25rem;
            }
            .guide-hero {
                padding: 4rem 0;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }